Hexamethylated
[医] 六甲基的
🗣️ 情景例句
that you care about us.
关心我们大家。
I used to be a pilot. Now, I'm a parachutist.
我曾经做过飞行员，如今是伞兵了。
and should never be added to drinking water.
永远不能掺入饮用水。